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Radiant|Natural|GIA

0.81ct J SI1 Radiant Natural Diamond

ID • J/SI1 • GIA 2427523370

Certificate GIA 2427523370

Diamond specifications and retailer prices

From €776 EUR
HK$6,800 HKD
As of November 1, 2026
Save €1,758 EUR (69%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €2,534 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.81ct natural radiant diamond

This 0.81ct natural radiant sits in the just-under-one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2427523370. Listed at 18 retailers as of October 30, 2026, with prices from €776 to €2,534, a €1,758 spread on the same certified stone. NZ Jewellers lists it at €2,534. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.81
Carat
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2427523370
Dimensions6.27 × 4.70 × 3.07 mm
L/W Ratio1.33
Top View
6.27 mm4.70 mm0.81 ctJ / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2427523370
Side View
Table 65.0%CrownGirdlePavilionCulet: NoneDepth 65.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €2,534 EUR|Low: €765 EUR|High: €2,534 EUR|Avg: €1,211 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 15€776 EUR
Retailer 7€950 EUR
Retailer 8€954 EUR
Retailer 4€958 EUR
Retailer 11€995 EUR
Retailer 10€1,006 EUR
Retailer 19€1,039 EUR
Retailer 20€1,039 EUR
Retailer 12€1,075 EUR
Retailer 18€1,079 EUR
Retailer 5€1,091 EUR
Retailer 6€1,155 EUR
Retailer 9€1,159 EUR
Retailer 14€1,185 EUR
Retailer 3€1,198 EUR
Retailer 13€1,310 EUR
Retailer 16€1,454 EUR
Retailer 17€1,536 EUR
Retailer 2€1,902 EUR
NZ Jewellers€2,534 EUR

27 data points across 20 retailers

18 retailers€776 EUR to €2,534 EUR

A
Cheapest Retailer
-
€776 EUR
HK$6,800 HKD
B+
Retailer 2
-
€954 EUR
$1,070 USD
View
B+
Retailer 3
-
€958 EUR
$1,075 USD
View
Final sale: no returns
B+
Retailer 4
-
€995 EUR
$1,116 USD
View
B+
Retailer 5
-
€1,039 EUR
$1,165 USD
View
B+
Retailer 6
-
€1,039 EUR
$1,165 USD
View
B+
Retailer 7
-
€1,075 EUR
SGD 1,629 SGD
View
B+
Retailer 8
-
€1,079 EUR
$1,210 USD
View
B+
Retailer 9
-
€1,091 EUR
$1,224 USD
View
B+
Retailer 10
-
€1,155 EUR
$1,295 USD
View
B+
Retailer 11
-
€1,159 EUR
$1,299 USD
View
B+
Retailer 12
-
€1,185 EUR
£1,046 GBP
View
B+
Retailer 13
-
€1,198 EUR
$1,344 USD
View
B
Retailer 14
-
€1,310 EUR
£1,157 GBP
View
B
Retailer 15
-
€1,454 EUR
View
B
Retailer 16
-
€1,536 EUR
ZAR 27,840 ZAR
View
Retailer 17
-
€1,902 EUR
£1,680 GBP
View
Most Expensive
B
NZ Jewellers
5b064324-78e0-4dad-ba6f-27894bd43aef · Oct 30
€2,534 EUR
$2,842 USD
View
17 more retailers have this diamond
Prices start from €776 EURSave up to €1,758 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
0.81ct Radiant
€776 EUR